<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件

/**
 * 生成随即字符串
 */
function get_rand_str($len)
{
    $str = "123456789asdfghjklqwertyuiopzxcvbnmASDFGHJKLZXCVBNMPIUYTREWQ";
    return substr(str_shuffle($str),0,$len);
}